24·1–24·3 Hormones are chemical messengers regulating cell functions.
Chapter
24. 24·1–24·3 Hormones are chemical messengers regulating cell functions.
Show What You Know
Show What You Know - Self Quiz
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You must read each slide, and complete any questions on the slide, in sequence.
Instructions
Check your understanding of concepts from 24·1–24·3 Hormones are chemical messengers regulating cell functions by answering the following questions.
1.
1. Which of the following has been called the “cuddle chemical”?
A.
B.
C.
D.
E.
Correct. (See section 24·1 The “cuddle” chemical: oxytocin increases trust and enhances pair bonding.)
Incorrect. (See section 24·1 The “cuddle” chemical: oxytocin increases trust and enhances pair bonding.)
2.
2. How does a nerve cell communicate with a target cell?
A.
B.
C.
D.
E.
Correct. (See section 24·2 Hormones travel through the circulatory system to influence cells elsewhere in the body.)
Incorrect. (See section 24·2 Hormones travel through the circulatory system to influence cells elsewhere in the body.)
3.
3. For a hormone to fulfill its function, it must be able to recognize and respond to a very select number of cells in the body. What is the appropriate name for the type of cell that binds a particular hormone?
A.
B.
C.
D.
E.
Correct. (See section 24·2 Hormones travel through the circulatory system to influence cells elsewhere in the body.)
Incorrect. (See section 24·2 Hormones travel through the circulatory system to influence cells elsewhere in the body.)
4.
4. Why are steroid hormone complexes with their receptors able to directly bind to DNA to influence gene expression, whereas peptide hormones must influence gene expression indirectly?
A.
B.
C.
D.
E.
Correct. (See section 24·3 Hormones can regulate target tissues in different ways.)
Incorrect. (See section 24·3 Hormones can regulate target tissues in different ways.)
5.
5. Peptide hormones bind to _____________ receptors, whereas steroid hormones bind to _____________ receptors.
A.
B.
C.
D.
E.
Correct. (See section 24·3 Hormones can regulate target tissues in different ways.)
Incorrect. (See section 24·3 Hormones can regulate target tissues in different ways.)